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IO-204 tide gauge intermittent
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March 21, 2015
11:26 am
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TideTech6828
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March 21, 2015
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I built a tide gauge with an IO-204 and a MB7360 ultrasonic sensor.
It has worked well for about a year, but now has become erratic, unstable and not reliable.
Sometimes it is correct, others wildly off.
I replaced the ultrasonic sensor and temp sensor.
Problem remains.
Does this have anything to do with the ioBridge changes?
What else could cause this.
I tried to buy a new IO-204 but seems to be no longer available.
Also emails and calls to Thingspeak and iobridge remain unanwsered.
What can you suggest?

March 30, 2015
9:15 am
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lee

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Hi,

I've informed Hans from ioBridge, and he'll get back to you on this.

lee

April 3, 2015
12:12 pm
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Hans
Natick, MA

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Sorry about the delay... Usually when the readings get erratic, there is a loose connection on the analog input of the IO-204. Look real close to the analog input that you have it connected to and see if anything is loose or making contact with another connection. I have seen wires from other pins touch each other and cause the same issue. Let me know if you find anything.

June 4, 2015
4:16 pm
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TideTech6828
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Hans, anything to report on this issue, I have been contacted by others with same issue.
I would buy another IO-204 or replacement if I could get a response from your end
I included my formulas for your inspection, they are unchanged since install except
the offset, trying to make it accurate again.

Label:
tide gauge II

Expression:
rng5mm=%%input:24001970,AI,1%%;rngcm=rng5mm/2;inches=rngcm*.3937;feet=inches/12;offset=9.1;level=offset-feet;%%format:1%%

Scale:
Auto-refresh: On
Style: Gauge
Gauge Text: feet
Gauge Minimum: -3
Gauge Maximum: 3
Thanks
Keith

Hans,
Sorry for the delay on my end, the tide gauge is two hours from me, so I don't get by there regularly.
This IO-204 only has the ultrasonic sensor's three wires plugged into AI #1.
I unplugged and replugged the connections with no change.
The sensor was replaced as said before, and it is available on line, so only other thing is IO-204.
I would like to buy another IO-204 but can't seem to get a response on the purchase.
It is on the internet through a Sierra wireless device.
Is it possible something changed in the IO Bridge translation of the data??
My customer is looking else where for support as I could not provide another IO-204.

what do I do to get this working again?
Can I pay someone to check the setup? I have the original formulas they have not changed.
can you email me at tech.nautical@verizon.net

July 26, 2015
1:56 pm
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TideTech6828
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March 21, 2015
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Hans, anything to report on this issue, I have been contacted by others with same issue.
I would buy another IO-204 or replacement if I could get a response from your end
I included my formulas for your inspection, they are unchanged since install except
the offset, trying to make it accurate again.

Label:
tide gauge II

Expression:
rng5mm=%%input:24001970,AI,1%%;rngcm=rng5mm/2;inches=rngcm*.3937;feet=inches/12;offset=9.1;level=offset-feet;%%format:1%%

Scale:
Auto-refresh: On
Style: Gauge
Gauge Text: feet
Gauge Minimum: -3
Gauge Maximum: 3
Thanks
Keith

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